Thursday, May 26, 2011

Friday, May 20, 2011

Makerbot Part Comparison







Here is a part comparison between the Makerbot and Dimension Elite fabricated at 0.3mm and 0.178 mm layer resolutions respectively. Building Salty on the Dimension Elite is a snap as it takes care of overhangs automatically with support structure. It is a bit more difficult on the Makerbot. First I had to widen the base to keep Salty firmly attached to the Automated Build Platform. Next I braced Salties chin by molding a small 0.75mm x 4mm brace which you can see in the previous post. After the brace was removed a bit of scaring remained but overall the Makerbot is quite an impressive $1,300 kit! 

Part Fabrication on the Makerbot


This is a bust of a sailor affectionately known as Salty created for the UM3D Labs VR CAVE by Andrew Smith. I am using a custom profile with a layer resolution of 0.3mm and a low density fill. I will share the settings shortly.

Wednesday, April 27, 2011

Gear lube for the Porsche 944 S2

On cold mornings the transaxel has been a little crunchy. I took it to the local oil change shop where they did it for free! I have no idea if the transmition fluid had ever been changed but it shifts like new again :)

Mileage to date: 108,000

Say Hello to MakerBot

Here is the UM3D Lab's new MakerBot; a $1,300 kit you put together yourself.  It took about 60 hours to assemble requiring some cutting, soldering and a lot of patience. Initially, the kit came with the MK-5 extruder which used a DC motor to drive the filament. This setup lasted about 2 hours before the controller gave up.  The MK-6 upgrade kit resolved the issue a new controller and stepper motor and includes the experimental 1.75 mm filament feed. IMHO, this is a huge improvement as the tension adjuster is eliminated.